CN111155647A

CN111155647A - Aluminum alloy B-shaped rod piece node structure

Info

Publication number: CN111155647A
Application number: CN202010065864.7A
Authority: CN
Inventors: 欧阳元文; 尹建; 刘小蔚; 曾煜华; 方旭
Original assignee: Shanghai Tongzheng Aluminum Structure Construction Technology Co Ltd
Current assignee: Shanghai Tongzheng Aluminum Structure Construction Technology Co Ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-05-15

Abstract

The invention relates to an aluminum alloy B-shaped rod piece node structure which comprises a node disc assembly, a rod piece assembly and a connecting core, wherein the rod piece assembly comprises a plurality of aluminum alloy box-shaped rod pieces arranged around a central longitudinal axis, each box-shaped rod piece is a B-shaped rod piece, two ends of each B-shaped rod piece are fixedly connected through the node disc assembly, and the middle part of each B-shaped rod piece is fixedly connected through the connecting core. The aluminum alloy rod piece node structure in the shape of Chinese character 'ri' provided by the invention not only enriches the connecting node forms of special-shaped components, but also effectively enhances the shearing resistance and bearing capacity of the node, and also provides convenience for the arrangement of equipment pipelines and improves the overall attractiveness.

Description

Aluminum alloy B-shaped rod piece node structure

Technical Field

The invention relates to an aluminum alloy node structure, in particular to an aluminum alloy rod piece node structure in a shape like a Chinese character 'ri'.

Background

With the wider and wider application of the aluminum alloy reticulated shell structure in public and industrial buildings and the more diversified building models, rod pieces with different models can be manufactured by the aluminum alloy material, and the node connection of the aluminum alloy components is the most important key point. The common plate type node connection mode of the aluminum alloy member is that the upper flange and the lower flange of the I-shaped aluminum alloy member are connected with the aluminum alloy node disc through fasteners, and the webs are not connected. And the member of traditional plate-type node is mostly the I-shaped member, and the region that requires higher to node rigidity will adopt the box cross-section to a very small number, this because the node only can effectively transmit axial force, and be difficult to effectively transmit shear force and moment of flexure, therefore in the great and higher building of node atress requirement of structural span, can't satisfy the requirement among the prior art.

Disclosure of Invention

In order to solve the problem that the aluminum alloy reticulated shell structure in the prior art cannot use box-type rod pieces, the invention provides an aluminum alloy herringbone rod piece node structure.

The aluminum alloy B-shaped rod piece node structure comprises a node disc assembly, a rod piece assembly and a connecting core, wherein the rod piece assembly comprises a plurality of aluminum alloy box-shaped rod pieces arranged around a central longitudinal axis, each box-shaped rod piece is a B-shaped rod piece, two ends of each B-shaped rod piece are fixedly connected through the node disc assembly, and the middle part of each B-shaped rod piece is fixedly connected through the connecting core.

Preferably, the node disc assembly comprises a first node disc and a second node disc which are spaced apart in parallel, a first end of each B-shaped rod piece is connected and fixed on the first node disc through a first fastening piece, a second end of each B-shaped rod piece is connected and fixed on the second node disc through a second fastening piece, and the middle of each B-shaped rod piece is connected and fixed on the connecting core through a third fastening piece.

Preferably, each japanese-type rod piece comprises a first side plate and a second side plate which are spaced in parallel, a first flange is connected with the first side plate and the second side plate at the first ends of the first side plate and the second side plate, a second flange is connected with the first side plate and the second side plate at the second ends of the first side plate and the second side plate, a web is connected with the first flange and the second flange between the first side plate and the second side plate, the first flange of each japanese-type rod piece is connected and fixed on the first node disc through a first fastener, the second flange of each japanese-type rod piece is connected and fixed on the second node disc through a second fastener, and the web of each japanese-type rod piece is connected and fixed on the connecting core through a third fastener.

Preferably, the connecting core comprises a central circular tube and a plurality of rib plates extending outwards from the central circular tube in the radial direction, and each rib plate is connected and fixed on the web plate of the U-shaped rod piece through a third fastening piece.

Preferably, the distance between the first flange and the second flange is between 401mm and 1000 mm.

Preferably, the third fastener is a ring-grooved rivet fastener.

Preferably, the first node disk and/or the second node disk is an aluminum alloy node disk.

Preferably, the aluminum alloy node plate is provided with a plurality of protruding parts extending outwards in the radial direction, and each protruding part is fixedly connected with the B-shaped rod piece.

Preferably, two adjacent protrusions are in transition by chamfering.

Preferably, the connecting core is an aluminum alloy integral extrusion molding structure.

The aluminum alloy rod piece node structure in the shape of Chinese character 'ri' provided by the invention not only enriches the connecting node forms of special-shaped components, but also effectively enhances the shearing resistance and bearing capacity of the node, and also provides convenience for the arrangement of equipment pipelines and improves the overall attractiveness.

Drawings

FIG. 1 is a top view of an aluminum alloy herringbone rod node structure according to a preferred embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along line a-a of FIG. 1;

FIG. 3 is a top view of the node disk of FIG. 1;

FIG. 4 is a top view of the "B" bar of FIG. 1;

FIG. 5 is a side view of the bar of FIG. 1;

fig. 6 is a top view of the connecting core of fig. 1.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-2, the aluminum alloy zigzag-shaped rod node structure according to a preferred embodiment of the present invention includes a node disc assembly 1, a rod assembly 2 and a connecting core 3, wherein the rod assembly 2 is fixedly connected by the node disc assembly 1 and the connecting core 3, respectively. Specifically, the node plate assembly 1 includes a first node plate 11 and a second node plate 12 which are spaced apart in parallel, a first end of the rod assembly 2 is fixedly connected to the first node plate 11 by a first fastening member 41, a second end of the rod assembly 2 is fixedly connected to the second node plate 12 by a second fastening member 42, and a middle portion of the rod assembly 2 is fixedly connected to the connecting core 3 by a third fastening member 43.

As shown in fig. 3, the

node plates

11, 12 of the present embodiment are aluminum alloy node plates having three radially outwardly projecting protrusions 1A for connecting the rod assembly 2 (see fig. 1). In particular, two adjacent protrusions 1A are in transition by chamfering. It will be appreciated that the particular orientation and number of the projections 1A of the

node plates

11, 12 may be adjusted according to the arrangement of the lever assembly 2.

As shown in fig. 4-5, the bar assembly 2 of the present embodiment comprises three aluminium alloy box bars arranged around a central longitudinal axis, each box bar being a delta bar 21 comprising first and second parallel spaced

side panels

2A, 2B, a first flange 2C connecting the first and

second side panels

2A, 2B at first ends of the

side panels

2A, 2B and a second flange 2D connecting the first and

second side panels

2A, 2B at second ends of the

side panels

2A, 2B. In particular, the B-shaped bar 21 comprises a web 2E connected perpendicularly between the middle of the first and

second flanges

2C, 2D, which is arranged parallel to the first and

second side panels

2A, 2B. Referring to fig. 1 and 2, the first flange 2C of each of the rectangular bar members 21 is fixedly connected to the first node plate 11 by a first fastening member 41, the second flange 2D of each of the rectangular bar members 21 is fixedly connected to the second node plate 12 by a second fastening member 42, and the web 2E of each of the rectangular bar members 21 is fixedly connected to the connecting core 3 by a third fastening member 43. Obviously, the

flanges

2C, 2D of the rod assembly 2 according to the present invention are connected to the

node plates

11, 12 by the

fasteners

41, 42 to form a stressed whole, and the web 2E thereof is connected to the connecting core 3 by the fastener 43 to reinforce/enhance the stress performance of the node structure, thereby effectively enhancing the overall rigidity of the node and greatly improving the shear-resistant bearing capacity. In particular, the rod 21 shaped like a Chinese character 'ri' not only ensures the overall aesthetic appearance, but also hides the equipment pipes inside. Practice shows that the section height (the distance between the first flange 2C and the second flange 2D) of the B-shaped rod piece 21 can be larger than 400mm, for example, between 401mm and 1000mm, and the application of the large-section aluminum alloy B-shaped rod piece can greatly improve the node rigidity and solve the problem that the strength of the joint connection area of the box-type aluminum alloy rod piece is weakened.

As shown in fig. 6, the connecting core 3 of the present embodiment is an aluminum alloy integrally extruded structure including a central circular tube 31 and three ribs 32 extending radially outward therefrom. Referring to fig. 1 and 2, each rib 32 is disposed parallel to the web 2E of the corresponding r-shaped bar member 21 and is connected and fixed to the web 2E by a third fastening member 43. In particular, the third fastener 43 is a ring-grooved rivet fastener, which is not only easy to install, but also strong in stress.

According to the aluminum alloy B-shaped rod piece node structure, the node plate, the B-shaped rod piece and the connecting core are all made of aluminum profiles prefabricated in factories, and the aluminum alloy B-shaped rod piece node structure is simple in manufacturing process, easy to operate and convenient to construct and install on site. Moreover, the aluminum alloy rod piece node structure in the shape of Chinese character 'ri' enriches the forms of connecting nodes of special-shaped components, effectively enhances the shearing resistance and bearing capacity of the nodes, provides convenience for the arrangement of equipment pipelines and improves the overall attractiveness.

The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and various changes may be made in the above embodiments of the present invention. All simple and equivalent changes and modifications made according to the claims and the content of the specification of the present application fall within the scope of the claims of the present patent application. The invention has not been described in detail in order to avoid obscuring the invention.

Claims

1. The utility model provides an aluminum alloy day style of calligraphy member node structure, its characterized in that, this aluminum alloy day style of calligraphy member node structure includes node dish subassembly, member subassembly and connecting core, wherein, the member subassembly includes a plurality of aluminum alloy box member pieces of surrounding the setting of central axis of ordinates, and every box member piece is day style of calligraphy member piece, and the both ends of every day style of calligraphy member piece are connected fixedly through the node dish subassembly, and the middle part of every day style of calligraphy member piece is connected fixedly through connecting core.

2. The aluminum alloy zigzag rod member node structure of claim 1, wherein the node plate assembly comprises a first node plate and a second node plate spaced apart in parallel, a first end of each zigzag rod member is fixed to the first node plate by a first fastening member, a second end of each zigzag rod member is fixed to the second node plate by a second fastening member, and a middle portion of each zigzag rod member is fixed to the connecting core by a third fastening member.

3. The aluminum alloy b-shaped bar node structure according to claim 2, wherein each b-shaped bar comprises a first side plate and a second side plate which are spaced apart in parallel, a first flange connects the first side plate and the second side plate at a first end of the first side plate and the second side plate, a second flange connects the first side plate and the second side plate at a second end of the first side plate and the second side plate, a web connects the first flange and the second flange between the first side plate and the second side plate, the first flange of each b-shaped bar is fixed to the first node plate by a first fastener connection, the second flange of each b-shaped bar is fixed to the second node plate by a second fastener connection, and the web of each b-shaped bar is fixed to the connecting core by a third fastener connection.

4. The aluminum alloy zigzag rod node structure of claim 3, wherein the connecting core comprises a central circular tube and a plurality of ribs extending radially outward from the central circular tube, each rib being connected and fixed to the web of the zigzag rod by a third fastener.

5. The aluminum alloy delta shaped bar node structure of claim 3, wherein the distance between the first flange and the second flange is between 401mm and 1000 mm.

6. The aluminum alloy herringbone rod node structure of claim 2 wherein the third fastener is a ring groove rivet fastener.

7. The aluminum alloy delta-shaped rod member node structure of claim 2, wherein the first node plate and/or the second node plate is an aluminum alloy node plate.

8. The aluminum alloy delta-shaped rod node structure of claim 7, wherein the aluminum alloy node disk has a plurality of radially outwardly extending projections, each projection fixedly attached to a delta-shaped rod.

9. The aluminum alloy herringbone rod node structure of claim 8, wherein the adjacent two protrusions are in transition by chamfering.

10. The aluminum alloy herringbone rod node structure of claim 1, wherein the connecting core is an aluminum alloy integrally extruded structure.